In the interview, it came across more as ditching a policy that would now have no effect one way or the other, because the other guys won. But yes, it may have the effect of letting the Labour eurosceptics speak their minds.
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WeirdWeb, Sun 24 May 2015, 15:52,
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with a whip, the support of the SNP and pro euro tories they could have blocked it.
This is more them recognising a popular policy and seeing no political gain in being seen to block it.
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Cerebus Sticky! Sticky! Stick! Stick!, Sun 24 May 2015, 21:51,
Reply)